How to Make Prescription Glasses Online?
More and more people like shopping online, it is not only convenient but also delivered to home, if you want to make prescription glasses online, do you know how to do it?
First, they need to provide a prescription for their glasses (also known as an optometry sheet).Optometry prescription for glasses within one year is naturally best.
Then you need to choose the right frame and comfortable lenses. The prescription should include data about eye strength, such as pupil distance, the distance between the pupil centers of the two eyes.Accurate pupil center distance ensures that the optical center of both lenses is fully aligned with our pupils, i.e. the pupils of both eyes should be directly aligned with the optical center of the lens after wearing.GlASSES that are not made according to the exact distance between the pupil's center may not be as comfortable to wear.If the prescription of glasses is small, we may not be affected by wearing glasses with incorrect pupil spacing;When the prescription of glasses is larger, wearing glasses with inaccurate pupil center distance may cause visual fatigue.If the optical center of the lens is not consistent with the center of the pupil, the line of sight from outside the center of the lens will produce the prism effect, discomfort, diplopia, dizziness or headache and other symptoms.
